<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="板块" prop="category">
        <el-select v-model="queryParams.category" placeholder="请选择板块" clearable filterable >
          <el-option
            v-for="dict in categoryOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable

          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="创建人" prop="createBy">
        <el-select v-model="queryParams.createBy" placeholder="请选择创建人" clearable filterable >
          <el-option
            v-for="dict in createByOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="创建日期">
        <el-date-picker
          v-model="daterangeCreateTime"

          style="width: 240px"
          value-format="yyyy-MM-dd"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        ></el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button  type="primary"   @click="handleQuery">搜索</el-button>
        <el-button    @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain


          @click="handleAdd"
          v-hasPermi="['cms:article:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain


          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['cms:article:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain


          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['cms:article:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain


          @click="handleExport"
          v-hasPermi="['cms:article:export']"
        >导出</el-button>
      </el-col>

    </el-row>

    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection"  align="center"/>
      <el-table-column label="编号" align="center" prop="id"  />
      <el-table-column label="板块" align="center" prop="category" :formatter="categoryFormat"  width="200" />
      <el-table-column label="标题" align="center" prop="title"  width="200" />
      <el-table-column label="创建人" align="center" prop="createBy" :formatter="createByFormat"  width="200" />
      <el-table-column label="创建日期" align="center" prop="createTime"  width="200" >
        <template #default="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200" >
        <template #default="scope">
          <el-button

            type="text"

            @click="handleUpdate(scope.row)"
            v-hasPermi="['cms:article:edit']"
          >修改</el-button>
          <el-button

            type="text"

            @click="handleDelete(scope.row)"
            v-hasPermi="['cms:article:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章管理对话框 -->
    <el-dialog :title="title" v-model="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="板块" prop="category">
          <el-select v-model="form.category" placeholder="请选择板块">
            <el-option
              v-for="dict in categoryOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="内容">
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>
        <el-form-item label="封面">
          <imageUpload v-model="form.cover"/>
        </el-form-item>
      </el-form>
      <template #footer class="dialog-footer">
        <el-button  type="primary" @click="submitForm">确 定</el-button>
        <el-button  @click="cancel">取 消</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { listArticle, getArticle, delArticle, addArticle, updateArticle, exportArticle } from "@/api/cms/article";
import ImageUpload from '@/components/ImageUpload';
import Editor from '@/components/MyEditor';

export default {
  name: "Article",
  components: {
    ImageUpload,
    Editor,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章管理表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 板块字典
      categoryOptions: [],
      // 创建人字典
      createByOptions: [],
      // 创建日期时间范围
      daterangeCreateTime: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        category: null,
        title: null,
        createBy: null,
        createTime: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("cms_category").then(response => {
      this.categoryOptions = response.data;
    });
    this.getSysUserList().then(res => {
      this.createByOptions = [];
      let list = res.rows;
      list.forEach(element => {
        this.createByOptions.push({
          dictValue: element.userId,
          dictLabel: element.userName,
        });
      });
    });
  },
  methods: {
    /** 查询文章管理列表 */
    getList() {
      this.loading = true;
      this.queryParams.params = {};
      if (null != this.daterangeCreateTime && '' != this.daterangeCreateTime) {
        this.queryParams.params["beginCreateTime"] = this.daterangeCreateTime[0];
        this.queryParams.params["endCreateTime"] = this.daterangeCreateTime[1];
      }
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 板块字典翻译
    categoryFormat(row, column) {
      return this.selectDictLabel(this.categoryOptions, row.category);
    },
    // 创建人字典翻译
    createByFormat(row, column) {
      return this.selectDictLabel(this.createByOptions, row.createBy);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        category: null,
        title: null,
        content: null,
        cover: null,
        createBy: null,
        createTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.daterangeCreateTime = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getArticle(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除文章管理编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delArticle(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有文章管理数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportArticle(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
